package com.lyw.book.controller;

import com.lyw.book.enums.BookStatusEnum;
import com.lyw.book.model.*;
import com.lyw.book.service.BookService;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@Slf4j
@RequestMapping("/book")
@RestController
public class BookController {

    @Autowired
    private BookService bookService;
//
//    @RequestMapping("/getList")
//    public List<BookInfo> getList() {
//        return bookService.getList();
//    }

    @RequestMapping(value = "/addBook", produces = "application/json")
    public String addBook(BookInfo bookInfo) {

        log.info("添加图书, request: {}" , bookInfo);
        //1. 参数校验
        //2. 存储数据
        //3. 返回结果
        //此处校验非常粗糙
        if (!StringUtils.hasLength(bookInfo.getBookName())
                || !StringUtils.hasLength(bookInfo.getAuthor())
                || bookInfo.getCount() == null
                || bookInfo.getPrice() == null
                || !StringUtils.hasLength(bookInfo.getPublish())
                || bookInfo.getStatus() == null){
            log.warn("添加图书, 参数不合法, rquest: {}", bookInfo);
            return "参数不合法";
        }
        try {
            bookService.addBook(bookInfo);
            return "";
        } catch (Exception e) {
            log.error("添加图书异常, e: {}", e);
            return "添加图书发生异常";
        }
    }

    @RequestMapping("/getListByPage")
    public Result<ResponseResult<BookInfo>> getListByPage(PageRequest pageRequest, HttpSession session) {
//        //参数校验
//        //返回数据
//        if (session.getAttribute(Constants.SESSION_USER_KEY)==null){
//            return Result.unlogin();
//        }
//        UserInfo userInfo = (UserInfo)session.getAttribute(Constants.SESSION_USER_KEY);
//        if (userInfo==null || userInfo.getId()<=0){
//            //用户未登录
//            return Result.unlogin();
//        }

        ResponseResult<BookInfo> listByPage = bookService.getListByPage(pageRequest);
        return Result.success(listByPage);

    }

    @RequestMapping("/queryBookById")
    public BookInfo queryBookById(Integer bookId){
        log.info("查询图书信息, bookId:" + bookId);
        return bookService.queryBookById(bookId);
    }
    @RequestMapping(value = "/updateBook")
    public Result updateBook(BookInfo bookInfo) {
        log.info("修改图书, bookInfo: {}", bookInfo);
        try {
            bookService.updateBook(bookInfo);
            //成功
            return Result.success("");
        }catch (Exception e){
            log.error("修改图书发生异常, e: ", e);
            return Result.fail("修改图书发生异常");
        }
    }

    @RequestMapping(value = "/deleteBook")
    public Result deleteBook(Integer bookId) {
        log.info("删除图书, bookId: {}", bookId);

        try {
            BookInfo bookInfo = new BookInfo();
            bookInfo.setId(bookId);
            bookInfo.setStatus(BookStatusEnum.DELETED.getCode());
            bookService.updateBook(bookInfo);
            //成功
            return Result.success("");
        } catch (Exception e) {
            log.error("删除图书发生异常, e: ", e);
            return Result.fail("删除图书发生异常");
        }
    }

    @RequestMapping("/batchDelete")
    public Boolean batchDelete(@RequestParam List<Integer> ids) {
        log.info("批量删除图书, ids:{}", ids);
        try {
            bookService.batchDelete(ids);
            return true;
        } catch (Exception e) {
            log.error("批量删除图书失败, e:", e);
            return false;
        }


    }
}
